The list will be announced regularly to warn cities of deteriorating air quality.

If the contaminated water had been supplied to households, the result would have been unimaginable.

If the air conditions in all areas reached the nation's second level, 178, 000 deaths would be avoided every year.

Harbin's move to cut off the water supply was not a knee-jerk reaction.

In the future 15 years, the population of China will reach 1.46 billion and the GDP will double, the pollution load will increase by four to five times.